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102087640482643 is a prime number
BaseRepresentation
bin10111001101100100100001…
…100011000000001101010011
3111101110111001012012012001101
4113031210201203000031103
5101340100441430421033
61001042225315245231
730334405620355444
oct2715444143001523
9441414035165041
10102087640482643
112a58a1416a6802
12b5493282a9817
1344c6a9171906a
141b2d0d507b2cb
15bc08018ec97d
hex5cd9218c0353

102087640482643 has 2 divisors, whose sum is σ = 102087640482644. Its totient is φ = 102087640482642.

The previous prime is 102087640482631. The next prime is 102087640482671. The reversal of 102087640482643 is 346284046780201.

It is a weak prime.

It is an emirp because it is prime and its reverse (346284046780201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102087640482643 - 237 = 101950201529171 is a prime.

It is not a weakly prime, because it can be changed into another prime (102087640482623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51043820241321 + 51043820241322.

It is an arithmetic number, because the mean of its divisors is an integer number (51043820241322).

Almost surely, 2102087640482643 is an apocalyptic number.

102087640482643 is a deficient number, since it is larger than the sum of its proper divisors (1).

102087640482643 is an equidigital number, since it uses as much as digits as its factorization.

102087640482643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12386304, while the sum is 55.

The spelling of 102087640482643 in words is "one hundred two trillion, eighty-seven billion, six hundred forty million, four hundred eighty-two thousand, six hundred forty-three".